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Quantitative characterization method, system and equipment for geological comprehensive evaluation of oil and gas exploration zone

A comprehensive evaluation and geological technology, applied in the field of geological exploration of oil and gas resources, can solve problems such as complex methods, inability to assign different weights to the contribution size, and inconsistency with the actual geological conditions of the evaluation results. good effect

Inactive Publication Date: 2021-02-05
CHINA UNIV OF PETROLEUM (EAST CHINA)
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Problems solved by technology

[0003] Through the above analysis, the problems and defects of the existing technology are: the existing evaluation methods cannot assign different weights according to their contribution; the evaluation results are inconsistent with the actual geological conditions, and the method is relatively complicated

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  • Quantitative characterization method, system and equipment for geological comprehensive evaluation of oil and gas exploration zone

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Embodiment Construction

[0040] In order to make the object, technical solution and advantages of the present invention more clear, the present invention will be further described in detail below in conjunction with the examples. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0041] Aiming at the problems existing in the prior art, the present invention provides a quantitative characterization method, system, and equipment for comprehensive geological evaluation of oil and gas exploration zones. The present invention will be described in detail below with reference to the accompanying drawings.

[0042] Such as figure 1 As shown, the quantitative characterization method of comprehensive geological evaluation of oil and gas exploration zones provided by the present invention comprises the following steps:

[0043] S101: Comprehensively analyze the geological factors such as hydrocarbon source co...

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Abstract

The invention belongs to the technical field of oil and gas resource geological exploration, and discloses a quantitative characterization method, system and equipment for comprehensive geological evaluation of an oil and gas exploration zone. The method comprises the steps: comprehensively analyzing geological factors of hydrocarbon source conditions, reservoir conditions, cap stratum conditions,trap conditions and reservoir forming conditions of the found oil and gas reservoirs in the oil and gas exploration zone through an oil and gas reservoir fine dissection technology, and defining oiland gas reservoir forming main control factors and enrichment rules; determining the weight of each geological condition subitem index parameter according to the quality evaluation standard of the reservoir forming geological conditions, and performing assignment; and determining the grade of geological comprehensive evaluation according to the comprehensive score of each geological condition. Thesystem comprises a geological element analysis module; a parameter weight assignment module; and a geological grade evaluation module. The method can meet the requirement for quantitative characterization of geological evaluation of the oil and gas exploration zone, is good in application effect and easy to operate, is popularized and applied to other oil and gas exploration zones, and particularly provides a basis for oil and gas exploration potential evaluation and exploration zone prediction.

Description

technical field [0001] The invention belongs to the technical field of geological exploration of oil and gas resources, and in particular relates to a quantitative characterization method, system and equipment for comprehensive geological evaluation of oil and gas exploration zones. Background technique [0002] At present, comprehensive geological evaluation of oil and gas exploration plays is the most basic research content in oil and gas resource evaluation. Its purpose is to evaluate the oil and gas bearing properties and exploration potential of plays, so as to provide a basis for evaluating oil and gas resources and optimizing exploration targets. Exploration practice shows that scientific and rational evaluation of zones is of great significance for reducing exploration risks and improving exploration benefits. At present, the methods used in regional geological evaluation mainly include geological risk probability method, fuzzy mathematics comprehensive evaluation me...

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Application Information

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IPC IPC(8): G06Q10/06G06Q50/02
CPCG06Q10/06393G06Q50/02
Inventor 高长海孟士达王健潘守旭
Owner CHINA UNIV OF PETROLEUM (EAST CHINA)
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